Nation contributing writer Ben Adler joins the 3rd hour of today’s show to tell us what Mitt Romney is doing to erase the extremism that has characterized this year’s Republican candidates.

President Barack Obama and his certain Republican opponent in November, Mitt Romney, shifted to full general election mode Wednesday with messages intended to rally their bases and portray the other as threats to future progress. We’ll bring you the latest.

Now that Mitt Romney has wrapped up his party’s nomination after months of reaching out to base voters in the primaries, the question becomes whether he can appeal to the political center for the general election. We’ll bring talk about it.

Hours after announcing he would end his bid for the White House, a relaxed Rick Santorum told supporters here that he is at peace with his decision to exit the presidential race, but his underdog candidacy took a particularly harsh toll on his family. We’ll give you the details.